Feb 2025 – May 2025 · 3 mos

• Lived in Southeast Asia and Dubai

Mar 2023 – Jan 2025 · 1 yr 10 mos · Hybrid

• Unified Tagging:
• Served as the UI lead, overseeing project planning and collaborating with backend developers to design GraphQL and REST API schemas.
• Created a shared, scalable Unified Tagging UI React modal library for various tag operations on objects, handling permission cases for objects in various scopes in multi-tenancy with localization support, used by over 16 product lines.
• Developed a centralized tag management platform enabling customers to perform CRUD operations on tags and tag diverse objects such as incidents, alerts, attack paths, Purple AI notebooks, and policies, leading to effective organization.
• Achieved 80% code coverage using Vitest and conducted thorough accessibility testing in Playwright with Axe tools.
• Collaborated with the UI Platform team to design solutions for edge cases in the ”Select All” count feature of the InfraTable React component used on more than 20 pages.
• Unified Actions:
• Independently developed the UnifiedActionsDropdown React component for the Unified Inventory, enabling customers to perform actions on 100k+ assets: endpoints, identity, cloud resources from all surface teams in a single interface.
• Extended the Databridge plugin and developed a communication layer to open legacy Angular action modals running in iframe from the React app
• Cloud Scanner Policies:
• Led the UI, doing project planning and collaborate with product designers to refine the Figma mocks. - - Identify technical challenges and potential blockers.
• Designed a dynamic JSON schema for the policy configuration API, enabling the development of a multi-step form wizard with advanced filters for cloud infrastructure resources. Implemented flexible query-building features using logical operators (AND/OR).
• Enabled policy creation for vulnerability scanning of 2 billion VM images daily (Cloud Native Security) and storage bucket scanning for threat detection with remediation (Cloud Data Security) across multiple cloud providers

Feb 2021 – Apr 2022 · 1 yr 2 mos

• Reduced largest contentful paint of Project page running in Next.js (ssr mode) by 80% by consolidating multiple Elasticsearch queries into a single optimized query, significantly enhancing performance.
• Partially migrated the GraphQL client from Apollo to Urql, decreasing bundle size by 10% and improving query response time; resolved stale SSR cache issues in the next-urql package in Formidable Labs/Urql library.
• Implemented zero-downtime deployments using blue-green deployment strategies with Shell scripts, Kubernetes, and Docker.
• Architected and built a filterable newsfeed with a follow feature, leveraging event-driven architecture using Kafka and the GraphDB Dgraph, and adhering to humane design principles.
• Contributed to the design and optimization of the revamped project details page, increasing user engagement by an average of 6 seconds (Next.js, Emoticon).
• Engineered an efficient ETL layer to synchronize database records with HubSpot CRM using MongoDB change streams, optimizing data flow and accelerating sales teams’ response time to customer interactions.

Sep 2019 – Jun 2020 · 9 mos

• Build Ui and add features for multiple projects Mana, edutech and B2B products. Mana is a complex app which is a combination of Slack, Trello and Dropbox.
• Convert the designed wireframes into high quality code with React, Redux and SCSS
• Work in a globally distributed team.
• Communicated and gave suggestions to backend engineers, project managers and designers to improve UI, UX and REST APIs
• Enhance development speed by Building react UI components in isolation and documenting them using storybook

Aug 2019 – Feb 2020 · 6 mos · Remote

• Embeddable Fitness Management Webstore (B2B):
• Independently developed pixel perfect UI for webstore having customizable themes from scratch with React hooks, Redux and styled-components and stripe payment integration.
• Developed a cross-window communication protocol to make the webstore embeddable inside customer websites using iframes with security increasing revenue of fitness studios by 40%.
• Ensured responsive web and mobile design and cross-browser compatibility.
• Collaborated with the designer/founder to establish a documented design system, creating reusable,
• extendable, and modular React components.
• Deployed webstore with Amazon Lightsail cloud platform.
• Wrote an article on design systems in UX Collective (394k medium followers).

Apr 2019 – Aug 2019 · 4 mos

Jul 2018 – Jan 2020 · 1 yr 6 mos · Kolkata Area, India

• Gave talk on React and State Management

Jul 2018 – Aug 2018 · 1 mo · Kolkata Area, India

• Build a website for restaurants
• Write a script to parse emails using GSuite
• Customized a web app through which quizzes can be taken realtime.

May 2018 – Dec 2018 · 7 mos

Jan 2018 – Apr 2020 · 2 yrs 3 mos

• Taskcluster
• Among the top 100 valuable contributors to be invited to Mozilla’s Bi Annual event"All Hands" 2018.
• Contributed to multiple microservices (taskcluster hooks, taskcluster pulse, taskcluster-notify etc) and tools - jsone
• Taskcluster is a task execution framework that supports Mozilla’s CI and release process, running 7 million tasks per month and 350,000 concurrent tasks, used by over 100 projects.
• Added new functionalities and API to tc-hooks and incorporate them into taskcluster web tool from frontend to backend (having a graphQL server)
• Developing new features involved thorough testing by adding new unit tests and also documentationation
• Wrote taskcluster-lib-pulse v2 a client library for pulse (pub sub system using RabbitMQ and amqp protocol)
• Replace aws sqs simple queue service with inhouse pulse
• Remove bluebird package dependency
• Code review for some repositories
• Debug and Fix bugs
• Create a caching layer in FixMe project with Go and reduce query response time
• Improve user experience of Firefox Profiler(Typescript,React, Redux) and added inactive
• css feature in Inspector Tools
• Mozillian Profile: https://mozillians.org/en-US/u/biboswan98/
• https://bugzilla.mozilla.org/user_profile?user_id=608602
• https://biboswanroy.com/work/mozilla

Aug 2017 – Sep 2017 · 1 mo · Remote

• Learn R programming and applied those skills in solving Harvard Business Cases.
• Search for a public dataset containing footfalls counts at various regions of LeedsCityCenter
• Capstone project: Leeds City Center Management - analyzed footfall trends to grow businesses and manage traffic
• Received letter of recommendation from Prof. Sameer Mathur Ph.D. (Carnegie Mellon University, USA)